Computer Fundamental Miscellaneous - Study Mode
[#481] A high speed device used in CPU for temporary storage during processing is called
Correct Answer
(A) A register
Explanation
Solution: A high speed device used in CPU for temporary storage during processing is called a register.
[#482] Computers are extremely fast and have fantastic memories. However, the only thing they can remember is
Correct Answer
(B) Series of 1s and 0s
Explanation
Solution: Computers are extremely fast and have fantastic memories. However, the only thing they can remember is Series of 1s and 0s.
[#483] The first electronic digital computer contained?
Correct Answer
(A) Electronic valves
Explanation
Solution: The first general purposes programmable electronic computer was the Electronic Numerical Integrator and Computer. Alternatively referred to as an electron tube or valve and first developed by John Ambrose Fleming in 1904.
[#484] Name the two persons who were the first to develop a model of the microprocessor chip.
Correct Answer
(A) Marcian Hoff and Stanley Mazor
Explanation
Solution: Intel's first microprocessor, the 4004, was conceived by Ted Hoff and Stanley Mazor. Assisted by Masatoshi Shima, Federico Faggin used his experience in silicon-gate MOS technology (1968 Milestone) to squeeze the 2300 transistors of the 4-bit MPU into a 16-pin package in 1971.
[#485] EBCDIC can code up to how many different characters?
Correct Answer
8
Explanation
Solution: EBCDIC (Extended Binary Coded Decimal Interchange Code ) is a binary code for alphabetic and numeric characters that IBM developed for its larger operating systems. It is the code for text files that is used in IBM's OS/390 operating system for its S/390 servers and that thousands of corporations use for their legacy applications and databases. In an EBCDIC file, each alphabetic or numeric character is represented with an 8-bit binary number (a string of eight 0's or 1's). 256 possible characters (letters of the alphabet, numerals, and special characters) are defined.